//package com.adopapa.nezhacloud.authc.conf;
//import java.util.Optional;
//import java.util.stream.Stream;
//import org.springframework.security.core.Authentication;
//import org.springframework.security.core.GrantedAuthority;
//import org.springframework.security.core.context.SecurityContext;
//import org.springframework.security.core.context.SecurityContextHolder;
//import org.springframework.security.core.userdetails.UserDetails;
//
///**
// * Utility class for Spring Security.
// */
//public final class SecurityUtils {
//
//    private SecurityUtils() {}
//
//    /**
//     * Get the login of the current user.
//     *
//     * @return the login of the current user.
//     */
//    public static Optional<String> getCurrentUserLogin() {
//        SecurityContext securityContext = SecurityContextHolder.getContext();
//        return Optional.ofNullable(extractPrincipal(securityContext.getAuthentication()));
//    }
//
//    private static String extractPrincipal(Authentication authentication) {
//        if (authentication == null) {
//            return null;
//        } else if (authentication.getPrincipal() instanceof UserDetails) {
//            UserDetails springSecurityUser = (UserDetails) authentication.getPrincipal();
//            return springSecurityUser.getUsername();
//        } else if (authentication.getPrincipal() instanceof String) {
//            return (String) authentication.getPrincipal();
//        }
//        return null;
//    }
//
//    /**
//     * Get the JWT of the current user.
//     *
//     * @return the JWT of the current user.
//     */
//    public static Optional<String> getCurrentUserJWT() {
//        SecurityContext securityContext = SecurityContextHolder.getContext();
//        return Optional
//            .ofNullable(securityContext.getAuthentication())
//            .filter(authentication -> authentication.getCredentials() instanceof String)
//            .map(authentication -> (String) authentication.getCredentials());
//    }
//
//    /**
//     * Check if a user is authenticated.
//     *
//     * @return true if the user is authenticated, false otherwise.
//     */
//    public static boolean isAuthenticated() {
//        Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
//        return authentication != null && getAuthorities(authentication).noneMatch(AuthoritiesConstants.ANONYMOUS::equals);
//    }
//
//    /**
//     * Checks if the current user has a specific authority.
//     *
//     * @param authority the authority to check.
//     * @return true if the current user has the authority, false otherwise.
//     */
//    public static boolean hasCurrentUserThisAuthority(String authority) {
//        Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
//        return authentication != null && getAuthorities(authentication).anyMatch(authority::equals);
//    }
//
//    private static Stream<String> getAuthorities(Authentication authentication) {
//        return authentication.getAuthorities().stream().map(GrantedAuthority::getAuthority);
//    }
//}